Skip to content

Eyecon – Optical Illusions

Choose a category here:

  • People
  • Objects
    • Cars
    • Boats
    • Buildings
    • Floors
    • Chairs
    • Stairs
    • Bicycles
  • Animals
    • Cats
    • Dogs
    • Birds
    • Snakes
  • Nature
    • Trees
    • Flowers
    • Clouds
    • Rocks
  • the Paranormal
    • Ghosts
    • UFOs
    • Zombies
  • Videos
  • Landmarks
  • Shadows
  • a dirty mind
  • Types of Optical Illusions
    • Forced Perspective
    • Pareidolia
    • Physical Illusions
    • Reflection
    • Refraction
    • Color Constancy
    • Camouflage and Mimicry
    • Geometry
  • AI
Dirty Minds Cats Paranormal
Art Camouflage and Mimicry Distortion

Knowledge

A bit of knowledge on optical illusions. Or scroll down to see what you came for.

Billie Eilish drawn in 3D by Stephan Pabst

Anamorphic optical illusions

sorrowful rock face pareidolia

How do optical illusions work?

Forced perspective image Pisa tower

Forced Perspective

Knees and toes

Knees and toes sexy illusion ad campaign

Credit: McCann Worldgroup

This ad campaign titled ‘Knees’ was published in Thailand in February, 2010. It was created for Boots Body Cream, by ad agency McCann. 

The ‘boobs’ are a sexy illusion created by knees and toes.

More optical illusions:

Wolf pack
Grumpy tree
Floating tracks
Headless player
Parked too long?
Flying Cargo Ship
Cross-stitch Cats
Mysterious tree
  • Pareidolia
  • Physical illusions
Copyright © 2026 Eyecon – Optical Illusions. All Rights Reserved.
Scroll Up
boobs or knee

Boobs or knee?

a dirty mind

Mammogram ad bald men illusion

Mammogram

a dirty mind